+/*
+ * Callback types
+ */
+typedef int (*gl_cfg_callback) (graph_config_t *cfg,
+ void *user_data);
+
+typedef int (*gl_inst_callback) (graph_config_t *cfg,
+ graph_instance_t *inst, void *user_data);
+
+/*
+ * Functions
+ */
+int gl_add_graph (graph_config_t *cfg);
+
+int gl_graph_get_all (gl_cfg_callback callback,
+ void *user_data);